From c1cbbf18f8244750a0164b8a07607d609ff8d10f Mon Sep 17 00:00:00 2001
From: Edd Robinson <me@edd.io>
Date: Thu, 13 Aug 2020 11:38:27 +0100
Subject: [PATCH] fix: column sorting pre-check

---
 delorean_table/src/sorter.rs | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/delorean_table/src/sorter.rs b/delorean_table/src/sorter.rs
index 725a12f30e..fb0add52e7 100644
--- a/delorean_table/src/sorter.rs
+++ b/delorean_table/src/sorter.rs
@@ -67,7 +67,7 @@ pub fn sort(packers: &mut [Packers], sort_by: &[usize]) -> Result<(), Error> {
     if n > SORTED_CHECK_SIZE {
         let mut sorted = true;
         for i in 1..n {
-            if cmp(packers, 0, i, sort_by) != Ordering::Equal {
+            if cmp(packers, i - 1, i, sort_by) == Ordering::Greater {
                 sorted = false;
                 break;
             }